<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
        "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <title>页面标题</title>
    <style type="text/css">
        p{
         color:#blue;
         }
        @import url(./static/red.css);
    </style>
</head>
<body>
   <p style="color:gray;">观察文字颜色</p>
</body>
</html>